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/*
* sharedmorisitahorn.cpp
* Mothur
*
* Created by Sarah Westcott on 3/24/09.
* Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
*
*/
#include "sharedmorisitahorn.h"
/***********************************************************************/
EstOutput MorHorn::getValues(vector<SharedRAbundVector*> shared) {
try {
data.resize(1,0);
double Atotal, Btotal, tempA, tempB;
Atotal = 0; Btotal = 0;
double morhorn, sumSharedA, sumSharedB, a, b, d;
morhorn = 0.0; sumSharedA = 0.0; sumSharedB = 0.0; a = 0.0; b = 0.0; d = 0.0;
//get the total values we need to calculate the theta denominator sums
for (int i = 0; i < shared[0]->getNumBins(); i++) {
//store in temps to avoid multiple repetitive function calls
Atotal += shared[0]->get(i);
Btotal += shared[1]->get(i);
}
//calculate the denominator sums
for (int j = 0; j < shared[0]->getNumBins(); j++) {
//store in temps to avoid multiple repetitive function calls
tempA = shared[0]->get(j);
tempB = shared[1]->get(j);
float relA = tempA / Atotal;
float relB = tempB / Btotal;
a += relA * relA;
b += relB * relB;
d += relA * relB;
}
morhorn = 1- (2 * d) / (a + b);
if (isnan(morhorn) || isinf(morhorn)) { morhorn = 1; }
data[0] = morhorn;
return data;
}
catch(exception& e) {
m->errorOut(e, "MorHorn", "getValues");
exit(1);
}
}
/***********************************************************************/
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